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<div class="header">
  <div class="summary">
<a href="#define-members">Macros</a> &#124;
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<div class="title">pooling_layer.cl File Reference</div>  </div>
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<div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
</div>
<p><a href="pooling__layer_8cl_source.xhtml">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a482ef7d59a5f474ca126e737c7f0978a"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(x,  y)&#160;&#160;&#160;((x) + (y))</td></tr>
<tr class="separator:a482ef7d59a5f474ca126e737c7f0978a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a03898439d164d74f8c35bafb67262d95"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(x,  vec_size)&#160;&#160;&#160;(x)</td></tr>
<tr class="separator:a03898439d164d74f8c35bafb67262d95"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5db17889d824975fefb2ce2f4690637f"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a5db17889d824975fefb2ce2f4690637f">DIV_OP</a>(x,  y)&#160;&#160;&#160;(x * (1.f / y))</td></tr>
<tr class="separator:a5db17889d824975fefb2ce2f4690637f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac9af19bec38fe50b4b9585c0e5c0ccca"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a>(x)&#160;&#160;&#160;sqrt((x))</td></tr>
<tr class="separator:ac9af19bec38fe50b4b9585c0e5c0ccca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6c01fa98d360a9d52926dc6a5a599711"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a6c01fa98d360a9d52926dc6a5a599711">DIV_OP_NHWC</a>(x,  y)&#160;&#160;&#160;(x * (<a class="el" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8))(1.f / y))</td></tr>
<tr class="separator:a6c01fa98d360a9d52926dc6a5a599711"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6b8e66069b8cd3e743141d7f024a7d76"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a6b8e66069b8cd3e743141d7f024a7d76">POOLING3x3_STRIDE1</a>(res,  input,  output)</td></tr>
<tr class="separator:a6b8e66069b8cd3e743141d7f024a7d76"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abb8f7128361a6a1965b1b2a5b3a719b2"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#abb8f7128361a6a1965b1b2a5b3a719b2">POOLING3x3_STRIDE2</a>(res,  input,  output)</td></tr>
<tr class="separator:abb8f7128361a6a1965b1b2a5b3a719b2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aba30215e4df370ff8935f83046e696ea"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#aba30215e4df370ff8935f83046e696ea">POOLING3x3_STRIDE3</a>(res,  input,  output)</td></tr>
<tr class="separator:aba30215e4df370ff8935f83046e696ea"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ac8f27d6ce33043a58fc6bd17b41f8153"><td class="memItemLeft" align="right" valign="top"><a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#ac8f27d6ce33043a58fc6bd17b41f8153">calculate_avg_scale</a> (const int pool_size_x, const int pool_size_y, const int upper_bound_w, const int upper_bound_h, const int pad_x, const int pad_y, const int stride_x, const int stride_y)</td></tr>
<tr class="separator:ac8f27d6ce33043a58fc6bd17b41f8153"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2d95de36199fd06803ffb62f5ff1df08"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a2d95de36199fd06803ffb62f5ff1df08">pooling_layer_2</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_stride_z, uint input_step_z, uint input_offset_first_element_in_bytes, __global uchar *output_ptr, uint output_stride_x, uint output_step_x, uint output_stride_y, uint output_step_y, uint output_stride_z, uint output_step_z, uint output_offset_first_element_in_bytes)</td></tr>
<tr class="memdesc:a2d95de36199fd06803ffb62f5ff1df08"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a pooling function of pool size equal to 2.  <a href="#a2d95de36199fd06803ffb62f5ff1df08">More...</a><br /></td></tr>
<tr class="separator:a2d95de36199fd06803ffb62f5ff1df08"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af5751970a4d8c62febdc6c63d6d4fd1d"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#af5751970a4d8c62febdc6c63d6d4fd1d">pooling_layer_3</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_stride_z, uint input_step_z, uint input_offset_first_element_in_bytes, __global uchar *output_ptr, uint output_stride_x, uint output_step_x, uint output_stride_y, uint output_step_y, uint output_stride_z, uint output_step_z, uint output_offset_first_element_in_bytes)</td></tr>
<tr class="memdesc:af5751970a4d8c62febdc6c63d6d4fd1d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a pooling function of pool size equal to 3.  <a href="#af5751970a4d8c62febdc6c63d6d4fd1d">More...</a><br /></td></tr>
<tr class="separator:af5751970a4d8c62febdc6c63d6d4fd1d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a93173b51e52924504320e874affcf881"><td class="memItemLeft" align="right" valign="top"><a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#a93173b51e52924504320e874affcf881">calculate_avg_scale_nhwc</a> (const int pool_size_x, const int pool_size_y, int upper_bound_w, int upper_bound_h, const int pad_x, const int pad_y, const int stride_x, const int stride_y)</td></tr>
<tr class="separator:a93173b51e52924504320e874affcf881"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac320fea94a0f786ca35fe159d57a6e49"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="pooling__layer_8cl.xhtml#ac320fea94a0f786ca35fe159d57a6e49">pooling_layer_MxN_nhwc</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_stride_z, uint input_step_z, uint input_offset_first_element_in_bytes, __global uchar *output_ptr, uint output_stride_x, uint output_step_x, uint output_stride_y, uint output_step_y, uint output_stride_z, uint output_step_z, uint output_offset_first_element_in_bytes)</td></tr>
<tr class="memdesc:ac320fea94a0f786ca35fe159d57a6e49"><td class="mdescLeft">&#160;</td><td class="mdescRight">Performs a pooling function of pool size equal to N (NHWC)  <a href="#ac320fea94a0f786ca35fe159d57a6e49">More...</a><br /></td></tr>
<tr class="separator:ac320fea94a0f786ca35fe159d57a6e49"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="a5db17889d824975fefb2ce2f4690637f"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define DIV_OP</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">x, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">y&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td>&#160;&#160;&#160;(x * (1.f / y))</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00060">60</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">pooling_layer_2()</a>, and <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">pooling_layer_3()</a>.</p>

</div>
</div>
<a class="anchor" id="a6c01fa98d360a9d52926dc6a5a599711"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define DIV_OP_NHWC</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">x, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">y&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td>&#160;&#160;&#160;(x * (<a class="el" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8))(1.f / y))</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00065">65</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00565">pooling_layer_MxN_nhwc()</a>.</p>

</div>
</div>
<a class="anchor" id="a482ef7d59a5f474ca126e737c7f0978a"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define POOL_OP</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">x, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">y&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td>&#160;&#160;&#160;((x) + (y))</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00049">49</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">pooling_layer_2()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">pooling_layer_3()</a>, and <a class="el" href="pooling__layer_8cl_source.xhtml#l00565">pooling_layer_MxN_nhwc()</a>.</p>

</div>
</div>
<a class="anchor" id="a6b8e66069b8cd3e743141d7f024a7d76"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define POOLING3x3_STRIDE1</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">res, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">input, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">output&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00075">75</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

</div>
</div>
<a class="anchor" id="abb8f7128361a6a1965b1b2a5b3a719b2"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define POOLING3x3_STRIDE2</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">res, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">input, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">output&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00118">118</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

</div>
</div>
<a class="anchor" id="aba30215e4df370ff8935f83046e696ea"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define POOLING3x3_STRIDE3</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">res, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">input, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">output&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<b>Value:</b><div class="fragment"><div class="line">({                                                                                                                               <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">\</a></div><div class="line"><a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">        VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)                                                                                                  \</div><div class="line">        data00 = vload8(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 0, 0));                                                  <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">\</a></div><div class="line"><a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">        VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4)                                                                                                  \</div><div class="line">        data01 = vload4(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 0, 0) + 8);                                              <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">\</a></div><div class="line"><a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">        VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)                                                                                                  \</div><div class="line">        data10 = vload8(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 1, 0));                                                  <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">\</a></div><div class="line"><a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">        VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4)                                                                                                  \</div><div class="line">        data11 = vload4(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 1, 0) + 8);                                              <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">\</a></div><div class="line"><a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">        VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)                                                                                                  \</div><div class="line">        data20 = vload8(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 2, 0));                                                  <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">\</a></div><div class="line"><a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">        VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4)                                                                                                  \</div><div class="line">        data21 = vload4(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 2, 0) + 8);                                              \</div><div class="line">        data00 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data00, 8);                                                                                                 \</div><div class="line">        data01 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data01, 4);                                                                                                 \</div><div class="line">        data10 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data10, 8);                                                                                                 \</div><div class="line">        data11 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data11, 4);                                                                                                 \</div><div class="line">        data20 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data20, 8);                                                                                                 \</div><div class="line">        data21 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data21, 4);                                                                                                 \</div><div class="line">        \</div><div class="line">        data00 = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data00, data10);                                                                                            \</div><div class="line">        data01 = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data01, data11);                                                                                            \</div><div class="line">        data00 = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data00, data20);                                                                                            \</div><div class="line">        data01 = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data01, data21);                                                                                            \</div><div class="line">        \</div><div class="line">        res = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>((<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4))(data00.s036, data01.s1), (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4))(data00.s147, data01.s2)); \</div><div class="line">        res = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(res, (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4))(data00.s25, data01.s03));                                                   \</div><div class="line">    })</div><div class="ttc" id="pooling__layer_8cl_xhtml_a482ef7d59a5f474ca126e737c7f0978a"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a></div><div class="ttdeci">#define POOL_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00049">pooling_layer.cl:49</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a03898439d164d74f8c35bafb67262d95"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a></div><div class="ttdeci">#define POW2_OP(x, vec_size)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00057">pooling_layer.cl:57</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a></div><div class="ttdeci">__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)</div><div class="ttdoc">Get the pointer position of a Tensor3D. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00315">helpers.h:315</a></div></div>
<div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
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<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00158">158</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

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          <td class="memname">#define POW2_OP</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">x, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">vec_size&#160;</td>
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          <td>)</td>
          <td></td><td>&#160;&#160;&#160;(x)</td>
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<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00057">57</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">pooling_layer_2()</a>, and <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">pooling_layer_3()</a>.</p>

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          <td class="memname">#define SQRT_OP</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">x</td><td>)</td>
          <td>&#160;&#160;&#160;sqrt((x))</td>
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<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00061">61</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">pooling_layer_2()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">pooling_layer_3()</a>, and <a class="el" href="pooling__layer_8cl_source.xhtml#l00565">pooling_layer_MxN_nhwc()</a>.</p>

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<h2 class="groupheader">Function Documentation</h2>
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          <td class="memname"><a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> calculate_avg_scale </td>
          <td>(</td>
          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>pool_size_x</em>, </td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>pool_size_y</em>, </td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>upper_bound_w</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>upper_bound_h</em>, </td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>pad_x</em>, </td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>pad_y</em>, </td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>stride_x</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>stride_y</em>&#160;</td>
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          <td>)</td>
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<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00188">188</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>References <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00902">arm_compute::test::fixed_point_arithmetic::detail::max()</a>, and <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00897">arm_compute::test::fixed_point_arithmetic::detail::min()</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">pooling_layer_2()</a>, and <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">pooling_layer_3()</a>.</p>
<div class="fragment"><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;{</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keywordtype">int</span>       start_x = get_global_id(0) * stride_x - pad_x;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keywordtype">int</span>       start_y = get_global_id(1) * stride_y - pad_y;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> end_x   = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(start_x + pool_size_x, upper_bound_w);</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> end_y   = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(start_y + pool_size_y, upper_bound_h);</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="preprocessor">#if defined(EXCLUDE_PADDING)</span></div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    start_x = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(0, start_x);</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    start_y = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(0, start_y);</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(EXCLUDE_PADDING) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">return</span> ((end_y - start_y) * (end_x - start_x));</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_aabcf39e3917f842dbc5fbb0d802f24d5"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">arm_compute::test::fixed_point_arithmetic::detail::min</a></div><div class="ttdeci">fixed_point&lt; T &gt; min(fixed_point&lt; T &gt; x, fixed_point&lt; T &gt; y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00897">FixedPoint.h:897</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ad91bb73431b4de1f4946ed949d444849"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">arm_compute::test::fixed_point_arithmetic::detail::max</a></div><div class="ttdeci">fixed_point&lt; T &gt; max(fixed_point&lt; T &gt; x, fixed_point&lt; T &gt; y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00902">FixedPoint.h:902</a></div></div>
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          <td class="memname"><a class="el" href="convolution9x9_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> calculate_avg_scale_nhwc </td>
          <td>(</td>
          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>pool_size_x</em>, </td>
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          <td class="paramname"><em>upper_bound_w</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>upper_bound_h</em>, </td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>pad_x</em>, </td>
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          <td class="paramname"><em>stride_x</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const int&#160;</td>
          <td class="paramname"><em>stride_y</em>&#160;</td>
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          <td>)</td>
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<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00518">518</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>References <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00902">arm_compute::test::fixed_point_arithmetic::detail::max()</a>, and <a class="el" href="tests_2validation_2_fixed_point_8h_source.xhtml#l00897">arm_compute::test::fixed_point_arithmetic::detail::min()</a>.</p>

<p>Referenced by <a class="el" href="pooling__layer_8cl_source.xhtml#l00565">pooling_layer_MxN_nhwc()</a>.</p>
<div class="fragment"><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;{</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    <span class="keywordtype">int</span> start_x = get_global_id(1) * stride_x - pad_x;</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    <span class="keywordtype">int</span> start_y = get_global_id(2) * stride_y - pad_y;</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="preprocessor">#if !defined(EXCLUDE_PADDING)</span></div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;    upper_bound_w += pad_x;</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    upper_bound_h += pad_y;</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(EXCLUDE_PADDING) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> end_x = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(start_x + pool_size_x, upper_bound_w);</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> end_y = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(start_y + pool_size_y, upper_bound_h);</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="preprocessor">#if defined(EXCLUDE_PADDING)</span></div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    start_x = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(0, start_x);</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;    start_y = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(0, start_y);</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(EXCLUDE_PADDING) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    <span class="keywordflow">return</span> ((end_y - start_y) * (end_x - start_x));</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_aabcf39e3917f842dbc5fbb0d802f24d5"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">arm_compute::test::fixed_point_arithmetic::detail::min</a></div><div class="ttdeci">fixed_point&lt; T &gt; min(fixed_point&lt; T &gt; x, fixed_point&lt; T &gt; y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00897">FixedPoint.h:897</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ad91bb73431b4de1f4946ed949d444849"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">arm_compute::test::fixed_point_arithmetic::detail::max</a></div><div class="ttdeci">fixed_point&lt; T &gt; max(fixed_point&lt; T &gt; x, fixed_point&lt; T &gt; y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00902">FixedPoint.h:902</a></div></div>
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<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">__kernel void pooling_layer_2 </td>
          <td>(</td>
          <td class="paramtype">__global uchar *&#160;</td>
          <td class="paramname"><em>input_ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">__global uchar *&#160;</td>
          <td class="paramname"><em>output_ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_offset_first_element_in_bytes</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Performs a pooling function of pool size equal to 2. </p>
<dl class="section note"><dt>Note</dt><dd>Datatype must be passed using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types are QS8/QS16/F16/F32; </dd>
<dd>
In case of average pooling the following information must be passed at compile time: -DPOOL_AVG or -DPOOL_L2 must be provided otherwise max pooling will be performed. -DMAX_WIDTH and -DMAX_HEIGHT which are the maximum accessible indeces in x and y dimensions (width + pad) -DSTRIDE_X and -DSTRIDE_Y which are the steps of the window along the x and y directions -DPAD_X and -DPAD_Y which are the pooling paddings in x and y dimension</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: QS8/QS16/F16/F32 </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_z</td><td>input_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">output_ptr</td><td>Pointer to the destination image. Supported data types: same as <code>input_ptr</code> </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_x</td><td>output_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_y</td><td>output_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_z</td><td>output_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00228">228</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>References <a class="el" href="pooling__layer_8cl_source.xhtml#l00188">calculate_avg_scale()</a>, <a class="el" href="helpers_8h_source.xhtml#l00119">CONVERT_TO_TENSOR3D_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00060">DIV_OP</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00049">POOL_OP</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00057">POW2_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00153">Tensor3D::ptr</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00061">SQRT_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00315">tensor3D_offset()</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
<div class="fragment"><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;{</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> input  = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(input);</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> output = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(output);</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <span class="comment">// Load data</span></div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 2)</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    data0 = vload2(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 0, 0));</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 2)</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    data1 = vload2(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 1, 0));</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="preprocessor">#if defined(POOL_L2)</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <span class="comment">// Raise to power of 2 for L2 Pooling</span></div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    data0 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data0, 2);</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    data1 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data1, 2);</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="comment">// Perform calculations</span></div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    data0         = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data0, data1);</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    DATA_TYPE res = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data0.s0, data0.s1);</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="preprocessor">#if defined(POOL_AVG) || defined(POOL_L2)</span></div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="comment">// Divide by pool region in case of average or l2 pooling</span></div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    res = <a class="code" href="pooling__layer_8cl.xhtml#a5db17889d824975fefb2ce2f4690637f">DIV_OP</a>(res, <a class="code" href="pooling__layer_8cl.xhtml#ac8f27d6ce33043a58fc6bd17b41f8153">calculate_avg_scale</a>(2, 2, MAX_WIDTH, MAX_HEIGHT, PAD_X, PAD_Y, STRIDE_X, STRIDE_Y));</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_AVG) || defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor">#if defined(POOL_L2)</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    <span class="comment">// Take square root of the result in L2 pooling</span></div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    res = <a class="code" href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a>(res);</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    *(__global DATA_TYPE *)output.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> = res;</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;}</div><div class="ttc" id="pooling__layer_8cl_xhtml_a5db17889d824975fefb2ce2f4690637f"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a5db17889d824975fefb2ce2f4690637f">DIV_OP</a></div><div class="ttdeci">#define DIV_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00060">pooling_layer.cl:60</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a482ef7d59a5f474ca126e737c7f0978a"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a></div><div class="ttdeci">#define POOL_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00049">pooling_layer.cl:49</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00119">helpers.h:119</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="struct_tensor3_d_xhtml"><div class="ttname"><a href="struct_tensor3_d.xhtml">Tensor3D</a></div><div class="ttdoc">Structure to hold 3D tensor information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00151">helpers.h:151</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a03898439d164d74f8c35bafb67262d95"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a></div><div class="ttdeci">#define POW2_OP(x, vec_size)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00057">pooling_layer.cl:57</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_ac8f27d6ce33043a58fc6bd17b41f8153"><div class="ttname"><a href="pooling__layer_8cl.xhtml#ac8f27d6ce33043a58fc6bd17b41f8153">calculate_avg_scale</a></div><div class="ttdeci">DATA_TYPE calculate_avg_scale(const int pool_size_x, const int pool_size_y, const int upper_bound_w, const int upper_bound_h, const int pad_x, const int pad_y, const int stride_x, const int stride_y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00188">pooling_layer.cl:188</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a></div><div class="ttdeci">__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)</div><div class="ttdoc">Get the pointer position of a Tensor3D. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00315">helpers.h:315</a></div></div>
<div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
<div class="ttc" id="struct_tensor3_d_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">Tensor3D::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00153">helpers.h:153</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_ac9af19bec38fe50b4b9585c0e5c0ccca"><div class="ttname"><a href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a></div><div class="ttdeci">#define SQRT_OP(x)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00061">pooling_layer.cl:61</a></div></div>
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      <table class="memname">
        <tr>
          <td class="memname">__kernel void pooling_layer_3 </td>
          <td>(</td>
          <td class="paramtype">__global uchar *&#160;</td>
          <td class="paramname"><em>input_ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">__global uchar *&#160;</td>
          <td class="paramname"><em>output_ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_offset_first_element_in_bytes</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<p>Performs a pooling function of pool size equal to 3. </p>
<dl class="section note"><dt>Note</dt><dd>Datatype must be passed using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types are QS8/QS16/F16/F32; </dd>
<dd>
In case of average pooling the following information must be passed at compile time: -DPOOL_AVG or -DPOOL_L2 must be provided otherwise max pooling will be performed. -DMAX_WIDTH and -DMAX_HEIGHT which are the maximum accessible indeces in x and y dimensions (width + pad) -DSTRIDE_X and -DSTRIDE_Y which are the steps of the window along the x and y directions -DPAD_X and -DPAD_Y which are the pooling paddings in x and y dimension</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: QS8/QS16/F16/F32 </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_z</td><td>input_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">output_ptr</td><td>Pointer to the destination image. Supported data types: same as <code>input_ptr</code> </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_x</td><td>output_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_y</td><td>output_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_z</td><td>output_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00292">292</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>References <a class="el" href="pooling__layer_8cl_source.xhtml#l00188">calculate_avg_scale()</a>, <a class="el" href="helpers_8h_source.xhtml#l00119">CONVERT_TO_TENSOR3D_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00060">DIV_OP</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00049">POOL_OP</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00057">POW2_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00153">Tensor3D::ptr</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00061">SQRT_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00315">tensor3D_offset()</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
<div class="fragment"><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;{</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> input  = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(input);</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> output = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(output);</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="comment">// Load data</span></div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 3)</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    data0 = vload3(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 0, 0));</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 3)</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    data1 = vload3(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 1, 0));</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 3)</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    data2 = vload3(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, 2, 0));</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="preprocessor">#if defined(POOL_L2)</span></div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="comment">// Raise to power of 2 for L2 Pooling</span></div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    data0 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data0, 3);</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    data1 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data1, 3);</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    data2 = <a class="code" href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a>(data2, 3);</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="comment">// Perform calculations</span></div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    data0         = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data0, data1);</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    data0         = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data0, data2);</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    DATA_TYPE res = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(<a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(data0.s0, data0.s1), data0.s2);</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="preprocessor">#if defined(POOL_AVG) || defined(POOL_L2)</span></div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    <span class="comment">// Divide by pool region in case of average pooling</span></div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    res = <a class="code" href="pooling__layer_8cl.xhtml#a5db17889d824975fefb2ce2f4690637f">DIV_OP</a>(res, <a class="code" href="pooling__layer_8cl.xhtml#ac8f27d6ce33043a58fc6bd17b41f8153">calculate_avg_scale</a>(3, 3, MAX_WIDTH, MAX_HEIGHT, PAD_X, PAD_Y, STRIDE_X, STRIDE_Y));</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_AVG) || defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="preprocessor">#if defined(POOL_L2)</span></div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    <span class="comment">// Take square root of the result in L2 pooling</span></div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    res = <a class="code" href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a>(res);</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    *(__global DATA_TYPE *)output.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a> = res;</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;}</div><div class="ttc" id="pooling__layer_8cl_xhtml_a5db17889d824975fefb2ce2f4690637f"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a5db17889d824975fefb2ce2f4690637f">DIV_OP</a></div><div class="ttdeci">#define DIV_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00060">pooling_layer.cl:60</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a482ef7d59a5f474ca126e737c7f0978a"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a></div><div class="ttdeci">#define POOL_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00049">pooling_layer.cl:49</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00119">helpers.h:119</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="struct_tensor3_d_xhtml"><div class="ttname"><a href="struct_tensor3_d.xhtml">Tensor3D</a></div><div class="ttdoc">Structure to hold 3D tensor information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00151">helpers.h:151</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a03898439d164d74f8c35bafb67262d95"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a03898439d164d74f8c35bafb67262d95">POW2_OP</a></div><div class="ttdeci">#define POW2_OP(x, vec_size)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00057">pooling_layer.cl:57</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_ac8f27d6ce33043a58fc6bd17b41f8153"><div class="ttname"><a href="pooling__layer_8cl.xhtml#ac8f27d6ce33043a58fc6bd17b41f8153">calculate_avg_scale</a></div><div class="ttdeci">DATA_TYPE calculate_avg_scale(const int pool_size_x, const int pool_size_y, const int upper_bound_w, const int upper_bound_h, const int pad_x, const int pad_y, const int stride_x, const int stride_y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00188">pooling_layer.cl:188</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a></div><div class="ttdeci">__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)</div><div class="ttdoc">Get the pointer position of a Tensor3D. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00315">helpers.h:315</a></div></div>
<div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
<div class="ttc" id="struct_tensor3_d_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">Tensor3D::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00153">helpers.h:153</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_ac9af19bec38fe50b4b9585c0e5c0ccca"><div class="ttname"><a href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a></div><div class="ttdeci">#define SQRT_OP(x)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00061">pooling_layer.cl:61</a></div></div>
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          <td class="memname">__kernel void pooling_layer_MxN_nhwc </td>
          <td>(</td>
          <td class="paramtype">__global uchar *&#160;</td>
          <td class="paramname"><em>input_ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_stride_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_step_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">__global uchar *&#160;</td>
          <td class="paramname"><em>output_ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_stride_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_step_z</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>output_offset_first_element_in_bytes</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Performs a pooling function of pool size equal to N (NHWC) </p>
<dl class="section note"><dt>Note</dt><dd>Datatype must be passed using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types are F16/F32 </dd>
<dd>
-DFP16 must be passed at compile time if half float data type is used </dd>
<dd>
Pool sizes must be passed using -DPOOL_SIZE_X and -DPOOL_SIZE_Y e.g. -DPOOL_SIZE_X=13; </dd>
<dd>
Tensors width and height must be passed at compile time using -DMAX_WIDTH and -DMAX_HEIGHT </dd>
<dd>
Strides must be passed at compile time using -DSTRIDE_X and -DSTRIDE_Y which are the steps of the window along the x and y directions </dd>
<dd>
Pad values must be passed at compile time using -DPAD_X and -DPAD_Y which are the pooling paddings in x and y dimension </dd>
<dd>
In case of average pooling the following information must be passed at compile time: -DPOOL_AVG must be provided otherwise max pooling will be performed.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: F16/F32 </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_step_z</td><td>input_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">output_ptr</td><td>Pointer to the destination image. Supported data types: same as <code>input_ptr</code> </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_x</td><td>output_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_y</td><td>output_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_step_z</td><td>output_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">output_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="pooling__layer_8cl_source.xhtml#l00565">565</a> of file <a class="el" href="pooling__layer_8cl_source.xhtml">pooling_layer.cl</a>.</p>

<p>References <a class="el" href="pooling__layer_8cl_source.xhtml#l00518">calculate_avg_scale_nhwc()</a>, <a class="el" href="helpers_8h_source.xhtml#l00119">CONVERT_TO_TENSOR3D_STRUCT</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00065">DIV_OP_NHWC</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00049">POOL_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00153">Tensor3D::ptr</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00061">SQRT_OP</a>, <a class="el" href="helpers_8h_source.xhtml#l00315">tensor3D_offset()</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
<div class="fragment"><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;{</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;    <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;    <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> input  = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(input);</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;    <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> output = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(output);</div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;    <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;    vdata           = INITIAL_VALUE;</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;    <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> sdata = INITIAL_VALUE;</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;    const <span class="keywordtype">int</span> idx_width  = get_global_id(1) * STRIDE_X;</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;    const <span class="keywordtype">int</span> idx_height = get_global_id(2) * STRIDE_Y;</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;    for(<span class="keywordtype">int</span> y = 0; y &lt; POOL_SIZE_Y; ++y)</div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;    {</div><div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;        <span class="keywordtype">int</span> y1 = select(y, PAD_Y - idx_height, y + idx_height &lt; PAD_Y || y + idx_height &gt; MAX_HEIGHT);</div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> x = 0; x &lt; POOL_SIZE_X; ++x)</div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;        {</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;            <span class="keywordtype">int</span> x1 = select(x, PAD_X - idx_width - 1, x + idx_width &lt; PAD_X || x + idx_width &gt; MAX_WIDTH);</div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;            x1     = select(x1, PAD_X - idx_width - 1, y != y1);</div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;</div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;            <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;            data0 = vload8(0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a>(&amp;input, 0, x1 - PAD_X, y1 - PAD_Y));</div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;<span class="preprocessor">#if defined(POOL_L2)</span></div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;            <span class="comment">// Raise to power of 2 for L2 Pooling</span></div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;            data0 *= data0;</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;            vdata = <a class="code" href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a>(vdata, data0);</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;        }</div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    }</div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;<span class="preprocessor">#if defined(POOL_AVG) || defined(POOL_L2)</span></div><div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;    <span class="comment">// Divide by pool region in case of average pooling</span></div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;    vdata = <a class="code" href="pooling__layer_8cl.xhtml#a6c01fa98d360a9d52926dc6a5a599711">DIV_OP_NHWC</a>(vdata, <a class="code" href="pooling__layer_8cl.xhtml#a93173b51e52924504320e874affcf881">calculate_avg_scale_nhwc</a>(POOL_SIZE_X, POOL_SIZE_Y, MAX_WIDTH, MAX_HEIGHT, PAD_X, PAD_Y, STRIDE_X, STRIDE_Y));</div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_AVG) || defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;</div><div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;<span class="preprocessor">#if defined(POOL_L2)</span></div><div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;    <span class="comment">// Take square root of the result in L2 pooling</span></div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;    vdata = <a class="code" href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a>(vdata);</div><div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* defined(POOL_L2) */</span><span class="preprocessor"></span></div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;</div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;    vstore8(vdata, 0, (__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)output.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;}</div><div class="ttc" id="pooling__layer_8cl_xhtml_a93173b51e52924504320e874affcf881"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a93173b51e52924504320e874affcf881">calculate_avg_scale_nhwc</a></div><div class="ttdeci">DATA_TYPE calculate_avg_scale_nhwc(const int pool_size_x, const int pool_size_y, int upper_bound_w, int upper_bound_h, const int pad_x, const int pad_y, const int stride_x, const int stride_y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00518">pooling_layer.cl:518</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a482ef7d59a5f474ca126e737c7f0978a"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a482ef7d59a5f474ca126e737c7f0978a">POOL_OP</a></div><div class="ttdeci">#define POOL_OP(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00049">pooling_layer.cl:49</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00119">helpers.h:119</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="struct_tensor3_d_xhtml"><div class="ttname"><a href="struct_tensor3_d.xhtml">Tensor3D</a></div><div class="ttdoc">Structure to hold 3D tensor information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00151">helpers.h:151</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a2101b2fe0193ce227ae4e0945e321d85"><div class="ttname"><a href="helpers_8h.xhtml#a2101b2fe0193ce227ae4e0945e321d85">tensor3D_offset</a></div><div class="ttdeci">__global const uchar * tensor3D_offset(const Tensor3D *tensor, int x, int y, int z)</div><div class="ttdoc">Get the pointer position of a Tensor3D. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00315">helpers.h:315</a></div></div>
<div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_a6c01fa98d360a9d52926dc6a5a599711"><div class="ttname"><a href="pooling__layer_8cl.xhtml#a6c01fa98d360a9d52926dc6a5a599711">DIV_OP_NHWC</a></div><div class="ttdeci">#define DIV_OP_NHWC(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00065">pooling_layer.cl:65</a></div></div>
<div class="ttc" id="struct_tensor3_d_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">Tensor3D::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00153">helpers.h:153</a></div></div>
<div class="ttc" id="pooling__layer_8cl_xhtml_ac9af19bec38fe50b4b9585c0e5c0ccca"><div class="ttname"><a href="pooling__layer_8cl.xhtml#ac9af19bec38fe50b4b9585c0e5c0ccca">SQRT_OP</a></div><div class="ttdeci">#define SQRT_OP(x)</div><div class="ttdef"><b>Definition:</b> <a href="pooling__layer_8cl_source.xhtml#l00061">pooling_layer.cl:61</a></div></div>
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